Global Patent Index - EP 2019879 A2

EP 2019879 A2 2009-02-04 - OLEOPHOBIC POLYOLEFIN FIBER MATERIALS

Title (en)

OLEOPHOBIC POLYOLEFIN FIBER MATERIALS

Title (de)

OLEOPHOBE POLYOLEFINFASERMATERIALIEN

Title (fr)

MATÉRIAUX FIBREUX OLÉOPHOBES EN POLYOLÉFINE.

Publication

EP 2019879 A2 (EN)

Application

EP 07725002 A

Priority

  • EP 2007004079 W
  • EP 06010600 A
  • EP 07725002 A

Abstract (en)

[origin: EP1860230A1] A fabric composed of polyolefin fiber is obtained by: i) treating textile fabric having containing polyolefin fiber to an extent of 90-100 (preferably 100) wt.%, in plasma to have fabric surface tension of 35-60 mN/m; ii) treating obtained fabric with polyorganosiloxane containing trialkyl siloxy units as end groups, and within the polyorganosiloxane chain units; and iii) treating the fabric with polyacrylic and/or polyurethane polymer having perfluoroalkyl groups. The step (iii) is carried out concurrently with step (ii) or later than step (ii). A fabric composed of polyolefin fiber is obtained by: i) treating a textile fabric containing polyolefin fiber to an extent of 90-100 (preferably 100) wt.%, in a plasma under such conditions that, after step (i) has been carried out, the fabric has a surface tension of 35-60 mN/m; ii) treating the fabric obtained after step (i) with a polyorganosiloxane containing trialkyl siloxy units of formula R 3Si-O- as end groups, and within the polyorganosiloxane chain units of formulae -Si(R) 2-O- (I) and -Si(R)(X)-O- (II); and iii) treating the fabric with polyacrylic and/or polyurethane polymer having perfluoroalkyl groups. The step (iii) is carried out concurrently with step (ii) or later than step (ii). R : CH 3, CH 2-CH 3or phenyl; X : radical of the formula -(CH 2) t-(O-CHR 1-CHR 2) z-OR 3(III); t : 1-4; z : 5-60; R 1and R 2H or CH 3; R 3H or R. Provided that one of R 1and R 2is H and the other is H or CH 3.

IPC 8 full level (invention and additional information)

D06M 10/00 (2006.01); D06M 15/277 (2006.01); D06M 15/576 (2006.01); D06M 15/647 (2006.01)

CPC (invention and additional information)

D06M 10/025 (2013.01); D06M 15/277 (2013.01); D06M 15/576 (2013.01); D06M 15/647 (2013.01); Y10T 428/249921 (2015.04); Y10T 442/2262 (2015.04); Y10T 442/60 (2015.04)

Citation (search report)

See references of WO 2007134715A3

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family

EP 1860230 A1 20071128; AT 470006 T 20100615; DE 602007006941 D1 20100715; EP 2019879 A2 20090204; EP 2019879 B1 20100602; US 2009264037 A1 20091022; US 7923388 B2 20110412; WO 2007134715 A2 20071129; WO 2007134715 A3 20080529